* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #f5f5f5;
  color: #333;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.app-header {
  text-align: center;
  margin-bottom: 30px;
}

.app-title {
  font-size: 2.5rem;
  color: #2196F3;
  margin-bottom: 10px;
}

.app-description {
  font-size: 1.2rem;
  color: #666;
}